Finding the Fourth Proportional to 188,070.58, 259,537.74 and 103,188.26
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Solution
The fourth proportional to 188,070.58, 259,537.74 and 103,188.26 is: 142,399.99
Step by Step Solution
- Step 1: Write the proportion equation
188,070.58 : 259,537.74 = 103,188.26 : x - Step 2: Convert to fraction form
188,070.58/259,537.74 = 103,188.26/x - Step 3: Cross multiply
188,070.58x = 259,537.74 × 103,188.26 - Step 4: Simplify right side
188,070.58x = 26,781,247,794.93 - Step 5: Solve for x
x = 26,781,247,794.93/188,070.58 - Step 6: Final answer
x = 142,399.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.